#554C4D

Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.6% 0.012 10), rgb(85, 76, 77).

Aa

White text reads best on this color (8.30:1).

About this color

#554C4D is a dark close to neutral grey. In OKLCH its lightness is 43%, its chroma 0.012. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.055 away. White text reads best on it, at 8.30:1.

Hue familyNeutrals
Lightnessdark (43%)
Chromaclose to neutral grey (0.012)
Temperatureneutral
Nearest nameDark Slate Gray (#2F4F4F)
Black text2.52:1
White text8.30:1

Values

HEX#554C4D
RGBrgb(85, 76, 77)
HSLhsl(353, 6%, 32%)
OKLCHoklch(42.6% 0.012 10)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #554C4D 8.30:1 AAA Lc -93.3 Preferred for body text
Black text on #554C4D 2.52:1 Fails Lc 15.3 Dividers and decoration only
#554C4D text on white 8.30:1 AAA Lc 88.7 Fine for body text
#554C4D text on black 2.52:1 Fails Lc -13.5 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.

  1. Step 50

    50

    #F6F5F5

    oklch(97.1% 0.001 17.2)

  2. Step 100

    100

    #EBE9E9

    oklch(93.6% 0.002 17.2)

  3. Step 200

    200

    #DCD8D8

    oklch(88.5% 0.004 17.2)

  4. Step 300

    300

    #C5BFBF

    oklch(81% 0.007 17.3)

  5. Step 400

    400

    #A79E9F

    oklch(70.7% 0.011 9.6)

  6. Step 500

    500

    #928687

    oklch(63.1% 0.015 11.8)

  7. Step 600

    600

    #7C7071

    oklch(55.7% 0.015 11.8)

  8. Step 700

    700

    #695D5F

    oklch(49% 0.016 6.3)

  9. Step 800

    800 (this color)

    #554C4D

    oklch(42.6% 0.012 10)

  10. Step 900

    900

    #464040

    oklch(37.8% 0.008 17.5)

  11. Step 950

    950

    #292526

    oklch(26.9% 0.006 0.5)

Export this scale for Tailwind in the Tailwind colors tool

#554C4D with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#4D4D4D0.013
Deuteranopia (no green cones)#4F4F4D0.013
Tritanopia (no blue cones)#574B4C0.004
Achromatopsia (no color)#4E4E4E0.012

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #554C4D, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #554C4D in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.